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on improved BP neural network and rebuilding of new industry structure LI Meng, GUO Xin, TAN Xian-dong, YUAN Jia-hai (Business School,North China Electric Power University,Beijing 102206,China) ABSTRACT: An improved BP Neural Network predictive method based on rebuilding of new industry structure has been proposed in this paper. The method establishes the relation between industrialization and power......
composites ZHENG Wei, YU Hong-ming, CAO Gao-shao, ZHAO Xin-bing (Department of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, China) Abstract: LiFePO4/C composites were synthesized by one-step solid-state reaction using FePO4 and Li2CO3 as raw materials and polypropylene as reductive agent and carbon source. The effect of synthesis temperature on the electrochemical......
Experiments of Applying the Rare-Earth Modifying Agents in New Dental Materials Preparation陈肖虎,王华,王芹,李晓娣,马瑞摘 要:Harmless rare-earth modifying agents were prepared by orthogonal experiments. A new resin material was synthesized with the qualities such as rigidity, rubbing abrasion, aging, luster and plasticity better than the dental resin materials......
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钢铁流程结构及对CO2排放的影响张春霞1,上官方钦1,胡长庆2,齐渊洪1,殷瑞钰2(1.北京市钢铁研究总院先进钢铁流程及材料国家重点实验室2.河北理工大学 冶金与能源学院,河北唐山 063009)摘 要:温室气体排放引起的气候变暖已经成为全球性的重要命题.介绍了国内钢铁工业温室气体(主要是CO2)的排放情况,指出能源消耗是造成钢铁工业CO2排放的主要原因.在对比两类典型钢铁生产流程的CO2排放情况的基础上,深入分析了钢铁工业的能源结构及不同流程中原燃料来源结构对CO2排放的影响;最后对新一代钢铁制造流程的CO2......
New Nanocomposite Materials by Incorporation of Nanocrystalline TiO2 Particles into Polyaniline Conductive FilmsF.J.Feliciano,O.C.MonteiroDepartment of Chemistry and Biochemistry and CQB,Faculty... particles and polyaniline conductive films(PAni).The preparation of new nanostructured composite materials,displaying electron-and proton-conductive properties,to be used for the fabrication of new......
A NEW APPROXIMATE SOLUTION TO THE MULTIPLE SCATTERING THEORY FOR THE ELASTIC PROPERTIES OF HETEROGENEOUS MATERIALS南策文,金伏生,张清杰,袁润章摘 要:<正> The multiple... theory based onthe Eshelby principle has been suggested.Ac-cording to the relationship,a new and simpleapproximate solution to the exact multiple scat-tering theory has been given in terms ofEshelby’s......
A New Method for the Ultra-smooth Machining of the Silicon Based Materials王波Center for Precision Engineering,Harbin Institute of Technology摘 要:A New method,named atmospheric pressure plasma polishing,for the ultra-smooth machining of the silicon based materials is introduced.By inputting the CF4 gas into the atmospheric pressure plasma flame,high......
Experiments of Applying the Rare-Earth Modifying Agents in New Dental Materials Preparation Li Xiaodi1,Chen Xiaohu2,Ma Rui3,Wang Qin3,Wang Hua2 (1.Center Hospital of the Fifth Railway Construction Company of China, Guiyang 550000, China;2.Faulty of Materials and Metallurgical Engineering, Kunming University of Science and Technology, Kunming 650093, China;3.Materials and Metallurgy Engineering......
A new high strength and high tolerance-resistance Al-Li alloy YANG Shou-jie(杨守杰), LU Zheng(陆 政), DAI Sheng-long(戴圣龙), HAN Ya-fang(韩雅芳), YAN Ming-gao(颜鸣皋) Beijing Institute of Aeronautical Materials, Beijing 100095, China Received 28 July 2006; accepted 15 September 2006 Abstract: In order to develop a new high strength and high tolerance-resistance Al-Li alloy which can be used......